IT1226123B - Turbopompa molecolare. - Google Patents

Turbopompa molecolare.

Info

Publication number
IT1226123B
IT1226123B IT8821185A IT2118588A IT1226123B IT 1226123 B IT1226123 B IT 1226123B IT 8821185 A IT8821185 A IT 8821185A IT 2118588 A IT2118588 A IT 2118588A IT 1226123 B IT1226123 B IT 1226123B
Authority
IT
Italy
Prior art keywords
pump
molecular turbo
turbo
molecular
Prior art date
Application number
IT8821185A
Other languages
English (en)
Italian (it)
Other versions
IT8821185A0 (it
Inventor
Kurt Holss
Heinrich Lotz
Original Assignee
Pfeiffer Vakuumtechnik
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pfeiffer Vakuumtechnik filed Critical Pfeiffer Vakuumtechnik
Publication of IT8821185A0 publication Critical patent/IT8821185A0/it
Application granted granted Critical
Publication of IT1226123B publication Critical patent/IT1226123B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • F04D19/042—Turbomolecular vacuum pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y10S415/914—Device to control boundary layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
IT8821185A 1987-07-04 1988-07-01 Turbopompa molecolare. IT1226123B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3722164A DE3722164C2 (de) 1987-07-04 1987-07-04 Turbomolekularpumpe

Publications (2)

Publication Number Publication Date
IT8821185A0 IT8821185A0 (it) 1988-07-01
IT1226123B true IT1226123B (it) 1990-12-12

Family

ID=6330924

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8821185A IT1226123B (it) 1987-07-04 1988-07-01 Turbopompa molecolare.

Country Status (8)

Country Link
US (1) US4832564A (de)
JP (1) JP2625157B2 (de)
CH (1) CH677009A5 (de)
DE (1) DE3722164C2 (de)
FR (1) FR2617543B1 (de)
GB (1) GB2206648B (de)
IT (1) IT1226123B (de)
NL (1) NL8801420A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0408792B1 (de) * 1989-07-20 1993-09-29 Leybold Aktiengesellschaft Gasreibungspumpe mit mindestens einer auslassseitigen Gewindestufe
IT1241177B (it) * 1990-02-16 1993-12-29 Varian Spa Statore per pompa turbomolecolare.
DE9013671U1 (de) * 1990-09-29 1992-01-30 Leybold Ag, 6450 Hanau, De
US5358373A (en) * 1992-04-29 1994-10-25 Varian Associates, Inc. High performance turbomolecular vacuum pumps
DE29516599U1 (de) * 1995-10-20 1995-12-07 Leybold Ag Reibungsvakuumpumpe mit Zwischeneinlaß
DE29717764U1 (de) * 1997-10-06 1997-11-20 Leybold Vakuum Gmbh Stator für eine Turbomolekularvakuumpumpe
DE10331932B4 (de) * 2003-07-15 2017-08-24 Pfeiffer Vacuum Gmbh Turbomolekularpumpe
DE10357547B4 (de) 2003-12-10 2020-04-23 Pfeiffer Vacuum Gmbh Turbomolekularpumpe
DE102005027097A1 (de) * 2005-06-11 2006-12-14 Pfeiffer Vacuum Gmbh Statorscheibe für Turbomolekularpumpe
JP5276321B2 (ja) * 2005-07-01 2013-08-28 エドワーズ株式会社 ターボ分子ポンプ
JP4853266B2 (ja) * 2006-12-12 2012-01-11 株式会社島津製作所 ターボ分子ポンプ
DE102013220879A1 (de) * 2013-10-15 2015-04-16 Pfeiffer Vacuum Gmbh Vakuumpumpe
CA2987561A1 (en) * 2015-05-29 2016-12-08 Daiwa House Industry Co., Ltd. Processing apparatus for processing subject
GB2552793A (en) * 2016-08-08 2018-02-14 Edwards Ltd Vacuum pump
JP2023010410A (ja) * 2021-07-09 2023-01-20 エドワーズ株式会社 真空ポンプ

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB504214A (en) * 1937-02-24 1939-04-21 Rheinmetall Borsig Ag Werk Bor Improvements in and relating to turbo compressors
FR84100E (fr) * 1963-08-02 1964-11-20 Snecma Pompe à vide turbomoléculaire perfectionnée
BE757353A (fr) * 1969-10-27 1971-03-16 Sargent Welch Scientific Co Perfectionnements aux pompes a vide
BE757354A (fr) * 1969-10-27 1971-03-16 Sargent Welch Scientific Co Pompe turbomoleculaire a stators et rotors perfectionnes
DE2214702A1 (de) * 1972-03-25 1973-09-27 Leybold Heraeus Gmbh & Co Kg Turbomolekularpumpe
DE2554995A1 (de) * 1975-12-06 1977-06-16 Pfeiffer Vakuumtechnik Turbomolekularpumpe
DE3039196A1 (de) * 1980-10-17 1982-05-13 Leybold-Heraeus GmbH, 5000 Köln Verfahren zur montage einer einflutigen turbomolekular-vakuumpumpe und nach diesem verfahren montierte turbomolekular-vakuumpumpe
DE3133781A1 (de) * 1981-08-26 1983-03-10 Leybold-Heraeus GmbH, 5000 Köln Fuer die durchfuehrung der gegenstrom-lecksuche geeignete turbomolekularpumpe
US4579508A (en) * 1982-04-21 1986-04-01 Hitachi, Ltd. Turbomolecular pump
JPS5990796A (ja) * 1982-11-12 1984-05-25 Shimadzu Corp タ−ボ分子ポンプ
JPS6077795U (ja) * 1983-10-31 1985-05-30 株式会社島津製作所 タ−ボ分子ポンプ
DE3410905A1 (de) * 1984-03-24 1985-10-03 Leybold-Heraeus GmbH, 5000 Köln Einrichtung zur foerderung von gasen bei subatmosphaerischen druecken
JPS6123891A (ja) * 1984-07-11 1986-02-01 Hitachi Ltd タ−ボ分子ポンプ
DE3539604C1 (de) * 1985-11-08 1987-02-19 Turbo Lufttechnik Gmbh Axialgeblaese

Also Published As

Publication number Publication date
JP2625157B2 (ja) 1997-07-02
FR2617543A1 (fr) 1989-01-06
JPS6424200A (en) 1989-01-26
US4832564A (en) 1989-05-23
NL8801420A (nl) 1989-02-01
FR2617543B1 (fr) 1990-06-01
IT8821185A0 (it) 1988-07-01
CH677009A5 (de) 1991-03-28
DE3722164A1 (de) 1989-01-12
GB2206648B (en) 1990-11-28
DE3722164C2 (de) 1995-04-20
GB8815851D0 (en) 1988-08-10
GB2206648A (en) 1989-01-11

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970730